Skip to main content

Questions tagged [poliastro]

poliastro is a open source astrodynamics and orbital mechanics library written in python.

Filter by
Sorted by
Tagged with
5 votes
2 answers
161 views

Where does this formula for the argument of periapsis come from?

I was looking at Poliastro/Hapsira python code determining orbital elements from the position and velocity vector. On this line, argp or $\omega$ is determined as (...
TheWanderer's user avatar
0 votes
0 answers
58 views

Eclipse/sunlight detection for LEO satellites

I am trying to use poliastro to obtain the positions of the propagated spacecraft and the lighting conditions at each position. The documentation in poliastro page shows an example of the shadow ...
Spiros Makris's user avatar
4 votes
1 answer
2k views

Python orbit simulation using TLE-tools and poliastro

I have a source of satellite TLE data - similar to space-track.org. For testing purposes I would like to create a simulation that doesnt rely on the real source of data. I was able to download a json ...
wolf72's user avatar
  • 141
0 votes
1 answer
87 views

iod.lambert method does not work in poliastro 0.14.0 and 0.16.3 in Windows 10 (?) [closed]

I try to reproduce the "Analyzing the Parker Solar Probe flybys" example from the page https://docs.poliastro.space/en/latest/examples/Analyzing%20the%20Parker%20Solar%20Probe%20flybys.html, ...
Peter Nazarenko's user avatar
1 vote
0 answers
83 views

Python: Satellite and/or payload class

I am very familiar with the python package poliastro and am wondering if there are any Python packages out there that have a "satellite" type class already? My thought is if someone wants to ...
scm.tf's user avatar
  • 11
3 votes
1 answer
576 views

Calculated Classical Orbital Elements of the ISS seem to differ from the actual ones

I am trying to calculate the Classical Orbital Elements of the ISS using Python, and then compare them with the "actual" ones provided on the Internet. However, my obtained data differs by a ...
lawndownunder's user avatar
1 vote
0 answers
1k views

How to change RAAN with 250 m/s DV?

I'm performing a transfer between 2 orbits with different RAAN (other orbital parameters are same). The perigee altitude of the orbits is 1000km, the apogee is <...
Leeloo's user avatar
  • 703
3 votes
2 answers
473 views

Lambert method for in-plane transfer

I'm trying to solve the transfer between a circular orbit with 200km radius and an orbit with 200km perigee and 8000km apogee. The optimal transfer is hoffman, however, izzo.lambert from poliastro ...
Leeloo's user avatar
  • 703
2 votes
0 answers
994 views

How can I plot a satellite TLE from its orbital parameters using python and skyfield? [closed]

I have a function that uses TLEs (Two-line elements) from Celestrak to plot the visibility of a satellite in Python. Is there a method with skyfield or poliastro to plot a TLE from given orbital ...
benben's user avatar
  • 21
2 votes
0 answers
129 views

Determine if two orbits cross paths

I'm trying to determine which orbital object will have the most close calls with another object. I've gotten the full TLE catalog from Space-Track.org, and using poliastro python package have ...
Adam Kall's user avatar
1 vote
1 answer
554 views

Lambert problem solver needed for custom gravity in Python

I need to solve the Lambert problem, however, I have a custom gravity model. My ODE of motion is: ...
Leeloo's user avatar
  • 703
1 vote
1 answer
354 views

Is it OK to spend 3 tons of fuel for the orbit transfer?

There are 2 coplanar orbits (same $i$,$\Omega$,$\omega$): Apogee and perigee on 200km Perigee on 700km, apogee on 8000 km I used the izzo.lambert function from ...
Leeloo's user avatar
  • 703
8 votes
1 answer
610 views

Multiple revolution Lambert problem

The Lambert problem solution determines the $\Delta V$ required to transfer from r1 to r2 in ...
Leeloo's user avatar
  • 703
3 votes
2 answers
739 views

A software for orbit propagation, considering Moon, Sun and zonal harmonics

I have to propagate the orbit of a satellite in 1 year, complying with the Sun, Moon and zonal harmonics effects. Is there preferably a free software, which could be used? I was suggested to use ...
Leeloo's user avatar
  • 703
4 votes
1 answer
1k views

How does the poliastro python package "Going to Mars with Python" example work? What's it really doing?

@astrojuanlu's answer mentions the existence of the Python package poliastro, and in the documentation there I found an example titled Going to Mars with Python using poliastro among others. Input ...
uhoh's user avatar
  • 149k